Answer:
H
Step-by-step explanation:
Its H because a square has 4 sides and 58 divided by 4 is 14.5
The answer is 7 because x+3 is 10. Hope this helped
Answer:
9a/ -3a
Step-by-step explanation:
Let the legs of the triangle be a and b, and the hypotenuse c.
Your first instinct might tell you to use the Pythagorean theorem to go about solving this because

. This works, but it is slow.
The fastest way to solve this is to recognize that the right triangle is a special triangle where the ratio of the sides are 3:4:5. This means that if the legs are 9 and 12, then the hypotenuse is 15 because 3*3 is 9, 3*4 is 12, and 3*5 is 15.